Asus P9X79-E WS - Manual (Page 117)

ASUS P9X79-E WS 3-41
Key Management
This item appears only when you set Secure Boot Mode to [Custom]. It allows you to
manage the Secure Boot keys.
Install Default Secure Boot keys
Allows you to immediately load the default Security Boot keys, Platform key
(PK), Key-exchange Key (KEK), Signature database (db), and Revoked
Signatures (dbx). When the default Secure boot keys are loaded, the PK
state will change from Unloaded mode to loaded mode.
Save Secure Boot Keys
Allows you to save the PK (Platform Keys) to a USB storage device.
PK Management
The Platform Key (PK) locks and secures the firmware from any permissible changes. The
system verifies the PK before your system enters the OS.
Delete PK
Allows you to delete the PK from your system. Once the PK is deleted, all
the system’s Secure Boot keys will not be active.
Configuration options: [Yes] [No]
Load PK from File
Allows you to load the downloaded PK from a USB storage device.
The PK file must be formatted as a UEFI variable structure with time-based authenticated
variable.